31124128

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 75479040

約数和(自身を除く): 44354912

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 71, 76, 103, 112, 133, 142, 152, 206, 224, 266, 284, 304, 412, 497, 532, 568, 608, 721, 824, 994, 1064, 1136, 1349, 1442, 1648, 1957, 1988, 2128, 2272, 2698, 2884, 3296, 3914, 3976, 4256, 5396, 5768, 7313, 7828, 7952, 9443, 10792, 11536, 13699, 14626, 15656, 15904, 18886, 21584, 23072, 27398, 29252, 31312, 37772, 43168, 51191, 54796, 58504, 62624, 75544, 102382, 109592, 117008, 138947, 151088, 204764, 219184, 234016, 277894, 302176, 409528, 438368, 555788, 819056, 972629, 1111576, 1638112, 1945258, 2223152, 3890516, 4446304, 7781032, 15562064, 31124128]

約数ペア:

[(1, 31124128), (2, 15562064), (4, 7781032), (7, 4446304), (8, 3890516), (14, 2223152), (16, 1945258), (19, 1638112), (28, 1111576), (32, 972629), (38, 819056), (56, 555788), (71, 438368), (76, 409528), (103, 302176), (112, 277894), (133, 234016), (142, 219184), (152, 204764), (206, 151088), (224, 138947), (266, 117008), (284, 109592), (304, 102382), (412, 75544), (497, 62624), (532, 58504), (568, 54796), (608, 51191), (721, 43168), (824, 37772), (994, 31312), (1064, 29252), (1136, 27398), (1349, 23072), (1442, 21584), (1648, 18886), (1957, 15904), (1988, 15656), (2128, 14626), (2272, 13699), (2698, 11536), (2884, 10792), (3296, 9443), (3914, 7952), (3976, 7828), (4256, 7313), (5396, 5768)]